/**
 * http://usejsdoc.org/
 * Node 缓冲区合并的语法如下所示：
 * Buffer.concat(list[, totalLength])
 */
var buffer1 = new Buffer('菜鸟教程');
var buffer2 = new Buffer('www.runoob.com');
var buffer3 = Buffer.concat([buffer1,buffer2]);
console.log("buffer3 内容: " + buffer3.toString());